Q: What is the sum of all factors of the number 405,501,309 excluding 405,501,309?
A: 214,340,067
The factors of the number 405,501,309 are: 1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 116423, 349269, 1047807, 3143421, 5006189, 9430263, 15018567, 45055701, 135167103, 405501309.
If you add them up, you will get the total of 405,501,523. Now subtract 405,501,309 to get 214,340,067